First topic message reminder :

assalamualaikum...

Hello and 'salam sejahtera' to all respected eldest and fellow friends..

I created this topic coz i want and needzz your help to teach,give opinion and share what we got to others and especially 'me' who want to learn about engine more detail.

I am nothing here and i need you all to help 'me' become somebody.

A big apologize if i done something that make someone unhappy with this topic.

OK as a basic:
-Fuel Injection and Carburator main function is same, it is to mix an air and fuel. But the way they work is different.

-Fuel injection is electronic control the fuel and air mixture, either lean or rich. usually on cold starting, rich mixture is needed (more fuel), and they are control by ECU, just like brain of the car. carburator is power by mechanical, some old car using choke for leaner mixture, after warm up choke must turn off.

-Fuel injection is much fuel efficient than the carburator, fuel injection is electronic control the amount of mixture, so it is much more efficient. While carburator is much more fuel consumption because of mechanical control.

-About maintainance, Fuel injection is more expensive to repair compare to carburator, fuel injection parts is much expensive and the part is more complex and complicated, so it is harder to repair. while carburator, is cheaper and easier to maintain, adjusting the mixture and rpm is easier than the fuel injection.

-For modding, my opinion is fuel injection is much more power increase compare to carburator. Carburator is easier to modify than fuel injection, fuel injection must have proper tune using computer, it can be upgrade such as change ecu, rechip ecu, or add afc or e-manage. For carburator i not really sure what can upgrade, but mostly they change the carburator to solex or webber for more performance.

-about brand, im not really understand the question, but carburator such as solex and webber is high performance carburator, webber is a very 'heavy fuel drinker' carburator. Higher performance ECU brand such as motec, microtech and etc.


-end-
There is no mistake dun worry, sharing is caring.
By Nieto. TQ

Silent_Night wrote:

Assalamualaikum and helo..

to all respected eldest and friends...


can you tell me what is :

-oil filter

-function

-pro & cont about oil filter

-good and bad oil

-everything about oil filter

An Oil Filter is an interesting device that's included on every vehicle. It's purpose is to help prolong the life of your engine by cleaning up the oil. Most filters do this job very well. Some do not. Let's take a look at what makes up the parts of an oil filter:

Parts of an Oil Filter:
Oil filters are simple, but extremely effective. The main part of the filter is the filtration medium, which is usually paper or some form of synthetic wire-mesh used to capture particles as small as 10 microns. On the top of the filtration media is the Anti-Drainback valve, made of a silicone or rubber medium. This valve works as a one-way valve to prevent dirty oil from draining back into the engine.
On the bottom of the filter (the closed end of the steel can) is the bypass valve. Usually made out of a piece of plastic loaded with a spring. This valve is used so that oil can bypass the medium if it is too dirty, or if the engine oil is too cold and thick to pass through the filter. This valve is there to prevent oil starvation on very cold days, or for people who really like to push the limits of having their engine services regularly .

Of course, running unfiltered oil is just as bad as running without oil at all.

How the filter works:
Oil is fed directly to the filter from the oil pump, this is the first place that it goes. The oil enters one of the several holes that surround the center hole on the open end of the can. The oil then passes through the filtration medium (or the bypass valve) and is pushed out through the center of the can and into the metal tube that it is connected to. From there, it is fed to the rest of the engine.

When Installing a filter:
It is extremely important that you lubricate the outer gasket on the filter before you install it on the engine. The heating and cooling process of the engine will bind the filter tight to the engine block. After 3 to 4 thousand miles, it will become very hard to remove the filter if the gasket was not properly lubricated.

Life of a filter:
Filters are well abused when it comes to their duty in the engine. They're subjected to pressure upwards of 60 psi, have to filter all kinds of metal, dirt, sand, and other mess, and are typically not changed on time. The conventional oil filter is advertised to last 3 thousand miles. However, because Americans tend to be some of the laziest people on earth, many manufacturers have designed the filters to last around 5 thousand miles or more before they begin to give out. Depending on how hard you beat on your engine and how you drive it, the filter may clog sooner than you expect. Thus, 3 thousand miles is most always the best time to change your filter, regardless.

Assalamualaikum dan helo kepada Member sekalian...


There's two way of how engine being connected to the fuel( correct me if im wrong) ....FUEL INJECTION & CARBURATOR

i've
search a lot about this two thing but its hard for me to find the best
way to undertstand this two concept. I do know a lil' bit about this
but is there someone can describe to me more detail use your own style..

lets start again from the beginning...

-what is Fuel Injection & Carburator

-function and how they works

-different or not

-each efficient in which type of car?mod car?

-Brand?


Really sorry if i done any mistake..i just need knowledge from everyway...thanks for your support...

.......................................................


Carburetors or EFI?

Discussion has been circulating at that local hang-out between car enthusiasts over what type of fuel delivery is better. I am here to offer my opinion along with facts. I will admit that I am a little bias toward EFI, but will offer my 2.5 years of training and 5 years of experience concerning this matter.

Carburetors have been around for over a century. This is a device that, simply put, delivers the amount of fuel an engine needs in relation to the amount of air that is pushed through it by atmospheric pressure. Carburetors work on a pressure-drop principle in which I will not go into great detail other than when tuned properly for atmospheric and weather conditions, carburetors work very well.

There are many types of Electronic Fuel Injection on the market today. I will touch base on 3 major types known as: Throttle Body Injection, Port Fuel Injection, and Direct Fuel Injection. All of these systems are controlled by very similar computer systems and related sensors.

Throttle Body Injection is the most simple type of EFI and the closest to carburetion in operation. Fuel is injected above the throttle blades by one or more fuel injector nozzles. Both fuel and air are carried throughout the entire intake tract.

Port Fuel Injection is the most widely utilized form of injection today. Fuel is injected at each intake port, usually at the cylinder head and intake manifold. Only air travels through the intake tract until it reaches the point in which fuel is injected. This method allows a wide variety of intake system designs to be explored and utilized depending on application, thus making super- and turbo-charging extremely feasible.

Direct Fuel Injection is a new technology. This system utilizes injectors similar to diesel engines in which fuel is injected directly into the cylinder. Obviously cost is high due the custom cylinder head configuration and high-temp injector required. Not much is known about this system relating to performance usage be the foundation has been laid for previously untold amounts of attainable power potential.

CARBS vs. EFI

The real question: Which is better? Well, this depends on a lot of factors. For one, what do you do with, and how do you drive your car? Obviously, if you race a vehicle professionally in which rules are involved that restrict the type of fuel delivery that can be used, you have little choice.

The age old question has always been disputed: Which makes more power? Well, this too is a good question. Carb enthusiasts argue that carbs make more power over port injection because the fuel helps "cool" the intake manifold. If this were true, what about Throttle Body Injection? I have seen little evidence to prove that carbs out-perform port efi on identical engines and vice-versa in controlled conditions.

Again, your choice depends on what you plan to do with your vehicle. In my opinion, carbs work great in ideal weather conditions and areas of the country which see little climate changes. Unfortunately, there are rarely 'ideal' conditions present. This leaves you to change jets and tune your carburetor to the changing weather conditions as the day goes on. On the other hand, EFI systems automatically compensate for changing conditions.

What about cost? Well, here again, it depends on what you want to do with your vehicle. If you don't mind drivability problems when the engine is cold or the humidity is high then carbs are for you. Simply put, no carburetor can do what a feedback efi system can do compared by cost. I have never seen a carb that you didn't have to tune to offset changing conditions. These changes require carb disassembly in most cases. EFI can compensate for most any change in weather conditions. Those that cannot be automatically compensated for by the ECM can be easily reprogrammed by PC or Laptop computer in just minutes without getting your hands dirty.

But carbs only cost $200 compared to $1000 for EFI system and programming hardware/software. Where are the savings? Well, $200 is just the initial cost of the average carb, new. Later, jet kits, gaskets, various diaphrams, and springs are required to maintain and tune carbs. Most efi systems have a highway mode operation in which fuel can be saved during periods of cruising that don't effect any other driving period. Personally, I have experienced a 4 mpg gain in fuel mileage utilizing such "built-in" features of GM EFI systems. Cost savings are self-explanitory, not to mention the time you save by simply sitting at a computer to tune your car instead of disassembling a carb.

What kind of features does EFI offer over carbs? Well, simply put: a carburetor just sits there. A typical GM EFI computer system can be programmed in the following areas:

- Fuel Delivery based on MAP (Manifold Pressure), TP (Throttle Position), RPM, ECT (coolant temp)
- Spark Advance based on MAP, TP, RPM, ECT
- TCC Lockup characteristics based on TP, VSS (Vehicle Speed)
- Highway Mode Air/Fuel Ratio based on MAP, TP, VSS, Time
- Open Loop A/F Ratio and Power Enrichment Changes
- Closed Loop parameters
- Manifold Air Temp influence on timing and A/F ratio
- Idle Speed based on ECT
- Transmission Shift firmness and Shift Points (electronic automatics)
- Cooling Fan(s) Operation besed on ECT, VSS
- Trouble Code Parameters

and Much, Much More....

For more info;
click this link;
http://autoforums.carjunky.com/Automotive_World_C11/Gasoline,_Motor_Oils,_Concept_Cars_and_Engines_F24/Fuel_Injector_vs_carburetor_P339/

ui bro tentu kaw dah pro ttg enjin nie kan.....otai dh.....
kongsi2 cikt bha ama aku ne yg x tau pa2....

hehehe...belum lg...banyak lg aku kena study nie...kadang2 info x cukup n susah mau jmpa...that's y aku buat nie forum..

Kepada member2 sekalian...

ada kah sesiapa yang boleh perjelaskan dengan tepat dan full tentang

-extractor

p/s its ok kalau ringkas2 ja...sori la masi newbie nie...bikin malu ja kan..

extractor boleh dikatakan exhaust manifold, ataupun header. ramai yang confuse pasal manifold. manifold ini ada 2, intake manifold and exhaust manifold.


fungsi utama extractor ini ialah mengumpulkan semua gas dari semua cylinder dan lepaskan ke muffler.
so dalam performance, ada yang modify panjang, ada yang modify besar, ini adalah untuk mengurangkan gas flow resistance (back pressure) and menambahkan volumetric effciency in engine


sekian

Thanks kepada bro Nieto atas kesudian menyumbangkan ilmu...

Silent_Night wrote:

Kepada member2 sekalian...

ada kah sesiapa yang boleh perjelaskan dengan tepat dan full tentang

-extractor

p/s its ok kalau ringkas2 ja...sori la masi newbie nie...bikin malu ja kan..

Pendek kata, Paip yang mengalirkan angin keluar dari kebuk pembakaran(Head engine) ke sistem ekzos

Nak lebih detail, cek ini... http://www.sioloon.com/engine-performance-f9/extractor-t6199.htm

blugu wrote:

Silent_Night wrote:

Kepada member2 sekalian...

ada kah sesiapa yang boleh perjelaskan dengan tepat dan full tentang

-extractor

p/s its ok kalau ringkas2 ja...sori la masi newbie nie...bikin malu ja kan..

Pendek kata, Paip yang mengalirkan angin keluar dari kebuk pembakaran(Head engine) ke sistem ekzos

Nak lebih detail, cek ini... [url=http://www.sioloon.com/engine-performance-f9/extractor-t6199.htm

http://www.sioloon.com/engine-performance-f9/extractor-t6199.htm[/quote[/url]]

thanks bro Blugu....